89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2015 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "screens_drm.h"
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#include "drm_backend.h"
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namespace KWin
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{
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DrmScreens::DrmScreens(DrmBackend *backend, QObject *parent)
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: Screens(parent)
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, m_backend(backend)
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{
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connect(backend, &DrmBackend::screensQueried, this, &DrmScreens::updateCount);
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connect(backend, &DrmBackend::screensQueried, this, &DrmScreens::changed);
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}
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DrmScreens::~DrmScreens() = default;
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void DrmScreens::init()
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{
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KWin::Screens::init();
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updateCount();
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emit changed();
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}
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QRect DrmScreens::geometry(int screen) const
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{
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const auto outputs = m_backend->outputs();
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if (screen >= outputs.size()) {
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return QRect();
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}
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return outputs.at(screen)->geometry();
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}
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QSize DrmScreens::size(int screen) const
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{
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const auto outputs = m_backend->outputs();
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if (screen >= outputs.size()) {
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return QSize();
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}
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return outputs.at(screen)->size();
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}
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void DrmScreens::updateCount()
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{
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setCount(m_backend->outputs().size());
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}
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int DrmScreens::number(const QPoint &pos) const
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{
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int bestScreen = 0;
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int minDistance = INT_MAX;
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const auto outputs = m_backend->outputs();
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for (int i = 0; i < outputs.size(); ++i) {
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const QRect &geo = outputs.at(i)->geometry();
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if (geo.contains(pos)) {
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return i;
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}
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int distance = QPoint(geo.topLeft() - pos).manhattanLength();
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distance = qMin(distance, QPoint(geo.topRight() - pos).manhattanLength());
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distance = qMin(distance, QPoint(geo.bottomRight() - pos).manhattanLength());
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distance = qMin(distance, QPoint(geo.bottomLeft() - pos).manhattanLength());
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if (distance < minDistance) {
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minDistance = distance;
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bestScreen = i;
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}
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}
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return bestScreen;
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}
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}
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